When it comes to receiving financial contributions, private universities seem to have plenty of donors willing to contribute. In 2013, the University of Southern California received a $70 million donation from Jimmy Iovine and Andre Young, better known as Dr. Dre. Not all donors are well-known celebrities, but contributions small and large can add up quickly for the big-name schools.

Using the most recent data reported to the National Center for Education Statistics (NCES), StartClass ranked the top 25 richest private colleges based on endowment. According to the NCES, endowment assets are “gross investments of endowment funds, term endowment funds and funds functioning as endowment for the institution and any of its foundations and other affiliated organizations.”

Endowment funds are funds whose principal is nonexpendable and that are intended to be invested to provide earnings for institutional use. Term endowment funds are funds which the donor has stipulated that the principal may be expanded after a stated period or on the occurrence of a certain event. Funds functioning as endowment are established by the governing board to function like an endowment fund but which may be totally expended at any time at the discretion of the governing board. These funds represent non-mandatory transfers from the current fund rather than a direct addition to the endowment fund, as occurs for the true endowment categories.

Of the 25 schools on the list, only five have at least 10,000 undergraduate students, with New York University (24,985 undergraduate students) and USC (18,739) leading the way. The University of Pennsylvania, with 11,548 undergraduate students, has the largest undergraduate enrollment of schools in the top 10.